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| 平均粒径土中比之小的颗粒含量为总质量50%的粒径(d₅₀) | |||
| 平均粒度 | |||
| 平均颗粒直径; 平均颗粒粒径 | |||
| 平均粒径 | |||
| mean grain size: 5 phrases in 2 subjects |
| Bridge construction | 1 |
| Technology | 4 |
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